Could you, please, contact plugin author and ask what woocommerce hook do they use to add that label?
Probably they use some hook that is missing in our theme and we’ll add it but need to know which one.

I’ve already contacted the author of the add-on and asked him which woocommerce link they use to add that tag. I’m waiting an answer. But, in case I can help you, I just checked that the advanced tags can only be seen in the view of single-products.